Indian Journal of Science and Technology

Abstract

Background/Objective: Bay laurel (Laurus nobilis L.) leaf can be used in poultry nutrition to increase gastric fluids to stop digestive disorders; it has antifungal, antibacterial potentials. The leaves had many effective substances including Apigenin, Luteolin, Kaempferol, Myricetin, cinole, eugenol, terpenol, Glycosides, ،Quercitin, linalool, Alkaloids, mthyl eugenol andlactonol. Methods: This study was conducted to measure the Effect of bay laurel (Laurus nobilis L.) leaf powder dietary supplementation on dressing percents, carcass trait , carcass cuts and some internal organs of meat type quail by 0, 1. 2,3% to the diets fed to 180 seven days old meat type quail randomly distributed to four treatments with three replicates for each treatment (15 bird /replicate). Findings: the bay laurel (Laurus nobilis L.) leaf powder dietary supplementation significantly by increased live body weight, carcass weight, dressing percent, and percentage weights of breast, drumstick, and thigh cuts. Adding bay laurel leaf powder improves taste, tenderness, and total acceptance of breast meat. Improvements: all experimental diets (of bay laurel (Laurus nobilis L.) leaf powder dietary supplementation) resulted in good dressing percents, carcass trait , carcass cuts in quail meat, indicating that this feed supplement should be used on industrial scale.

Keywords: Bay Laurel Leaf, Carcass, Cuts, Dressing Percents, Quail